Mounting partitions in TWRP as RW for dynamic partitioned PDAs
Last update : 10/2/2022
Intro
This is the (slightly) more detailed version of the 23/8/2021 blogpost where I talked about mounting partitions in TWRP as RW for dynamic partitioned PDAs like the X3P.
Here's hoping A12 (and PDAs released with A12 OOTB) won't fuck stuff up even worse...
Guide
- Boot to TWRP, if you haven't booted already.
- In TWRP, enter Mount & tick (mount) the partitions you want to mount as RW. At this moment, the partitions will be mounted as RO, but it's fine - it'll change on the next step.
- Browse to Advanced > Terminal, & enter "mount -o rw,remount (a partition to modify)"
Here's some examples for the partitions :
- System : mount -o rw,remount /system_root
- System_ext : mount -o rw,remount /system_ext
- Vendor : mount -o rw,remount /vendor
- Product : mount -o rw,remount /product
- Tune up those partitions to your heart's desire (this includes installing NanoDroid modules as system modules as well).
List of PDAs that are tested with this method
Success (TWRP mounts partitions as RO, but can be mounted as RW with this guide)
- Poco X3P (Nebrassy's TWRP (unofficial 3.5.2 & official 3.6.0-11))
No testing needed (due to lack of dynamic partition & TWRP mounts partitions as RW in A11 & beyond; make sure mount system partition read-only setting is unchecked)
- Poco F1 (confirmed with official TWRP 3.5.2-9.0 & Reignz3's TWRP 3.6.0-A9)
- Mi A2 (confirmed with Nebrassy's unofficial TWRP 3.5.1)
- LG V30 (unofficial TWRP 3.3.1.2)
- Oneplus 3T (unconfirmed as I no longer have it)
Fail (TWRP unable to mount partition)
- Poco X3N (with brigudav's TWRP)
brigudav's TWRP cannot mount super partition, requiring the inbuilt mountrw script to mount & edit partitions.
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